Grouping doesn't apply as expected when filtering #312
Description
Apologies in advance if overlooking something obvious - I am not well versed in JSONata
I'm trying to reproduce this case with the library: https://try.jsonata.org/ZkhsVPArq
It seems that there is something weird happening when applying a grouping after a filter. An example can be found in the test below:
@Test
void testBrokenPredicate() throws Exception {
JSONObject json = new JSONObject("{\"vendor\":[{\"name\":\"kwik\",\"number\":1},{\"name\":\"kwek\",\"number\":2},{\"name\":\"kwak\",\"number\":3},{\"name\":\"kwak\",\"number\":4}]}");
@Nonnull final JsonNode jsonObj;
try {
jsonObj = new ObjectMapper().readTree(json.toString());
} catch (IOException e) {
throw new APIException(e, "JSONata failed during reading of json");
}
Expressions jsonataExpression = Expressions.parse("vendor[name=\"kwak\"]{`name`: `number`}");
Expressions brokenJsonataExpression = Expressions.parse("vendor[name=\"kwek\"]{`name`: `number`}");
JsonNode result = jsonataExpression.evaluate(jsonObj);
JsonNode brokenResult = brokenJsonataExpression.evaluate(jsonObj);
// The brokenResult does not apply the grouping as expected
JSONAssert.assertEquals("{\"kwak\":[3,4]}", result.toString(), true);
// Here we can see the actual result
JSONAssert.assertEquals("{\"kwek\":{\"number\":2,\"name\":\"kwek\"}}", brokenResult.toString(), true);
// I expect this to succeed as seen here https://try.jsonata.org/ZkhsVPArq, but it fails
JSONAssert.assertEquals("{\"kwek\":2}", brokenResult.toString(), true);
}
Please let me know what I'm doing wrong or if this is a known issue.